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发明名称
SWITCHABLE DEPTH OF FOCUS PULSE-ECHO ULTRA-SONIC IMAGING DISPLAY SYSTEM
摘要
申请公布号
GB2006434(B)
申请公布日期
1982.03.03
申请号
GB19780040784
申请日期
1978.10.17
申请人
RCA CORP
发明人
分类号
A61B8/00;B06B1/06;G01H3/12;G01S7/52;G01S15/89;(IPC1-7):G01N29/04;A61B10/00
主分类号
A61B8/00
代理机构
代理人
主权项
地址
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